package com.condominio.servlet.residente;

import java.io.IOException;
import java.util.Collection;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.condominio.excepcion.DAOExcepcion;
import com.condominio.modelo.Persona;
import com.condominio.modelo.Residente;
import com.condominio.negocio.ResidenteNegocio;

/**
 * Servlet implementation class ResidenteServlet
 */
@WebServlet("/ListarResidenteServlet")
public class ListarResidenteServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    public ListarResidenteServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		this.processRequest(request, response);
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		this.processRequest(request, response);
	}

	private void processRequest(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub

		HttpSession session = request.getSession();
		Persona oUsuario = (Persona)session.getAttribute("USUARIO_ACTUAL");	
		if(oUsuario == null){
			request.getRequestDispatcher("error.jsp").forward(request, response);
			return;
		}
			
		ResidenteNegocio residente = new ResidenteNegocio ();
		try {
			Collection<Residente> listaResidente = residente.getResidentes();
			
			// Guardar en el ambiente de request 
			request.setAttribute("residentes", listaResidente);
			RequestDispatcher rd = request.getRequestDispatcher("listado_residente.jsp");
			rd.forward(request, response);

		} catch (DAOExcepcion e) {
			session.setAttribute("ERROR_MSG", e.getMessage());
			RequestDispatcher rd = request.getRequestDispatcher("error.jsp");
			rd.forward(request, response);
		}		
	}

}
